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Convert the flushing mechanism used before passing the socket to be based on a provider, and include a default one using a flush.

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@725942 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Paul Querna
2008-12-12 08:24:28 +00:00
parent 38ca097dde
commit ad762da5ad
1 changed files with 52 additions and 15 deletions
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67
modules/proxy/mod_proxy_fdpass.c
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@@ -27,6 +27,15 @@
/* for apr_wait_for_io_or_timeout */
#include "apr_support.h"
#define PROXY_FDPASS_FLUSHER "proxy_fdpass_flusher"
typedef struct proxy_fdpass_flush proxy_fdpass_flush;
struct proxy_fdpass_flush {
const char *name;
int (*flusher)(request_rec *r);
void *context;
};
module AP_MODULE_DECLARE_DATA proxy_fdpass_module;
static int proxy_fdpass_canon(request_rec *r, char *url)
@@ -190,26 +199,21 @@ static int proxy_fdpass_handler(request_rec *r, proxy_worker *worker,
return HTTP_INTERNAL_SERVER_ERROR;
}
r->connection->keepalive = AP_CONN_CLOSE;
/* TODO: Make this part a provider, so you can send a custom body / headers,
* before passing the client off to the socket.
*/
{
int status;
apr_bucket_brigade *bb;
apr_bucket *e;
const char *flush_method = "flush";
bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
e = apr_bucket_flush_create(r->connection->bucket_alloc);
proxy_fdpass_flush *flush = ap_lookup_provider(PROXY_FDPASS_FLUSHER, flush_method, "0");
APR_BRIGADE_INSERT_TAIL(bb, e);
if (!flush) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"proxy: FD: Unable to find configured flush "
"provider '%s'", flush_method);
return HTTP_INTERNAL_SERVER_ERROR;
}
status = ap_pass_brigade(r->output_filters, bb);
if (status != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
"proxy: FD: ap_pass_brigade failed:");
status = flush->flusher(r);
if (status) {
return status;
}
}
@@ -244,8 +248,41 @@ static int proxy_fdpass_handler(request_rec *r, proxy_worker *worker,
return OK;
}
static int standard_flush(request_rec *r)
{
int status;
apr_bucket_brigade *bb;
apr_bucket *e;
r->connection->keepalive = AP_CONN_CLOSE;
bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
e = apr_bucket_flush_create(r->connection->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(bb, e);
status = ap_pass_brigade(r->output_filters, bb);
if (status != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r,
"proxy: FD: ap_pass_brigade failed:");
return status;
}
return OK;
}
static const proxy_fdpass_flush builtin_flush =
{
"flush",
&standard_flush,
NULL
};
static void register_hooks(apr_pool_t *p)
{
ap_register_provider(p, PROXY_FDPASS_FLUSHER, "flush", "0", &builtin_flush);
proxy_hook_scheme_handler(proxy_fdpass_handler, NULL, NULL, APR_HOOK_FIRST);
proxy_hook_canon_handler(proxy_fdpass_canon, NULL, NULL, APR_HOOK_FIRST);
}